Big Dumper helped drive a big boost to ratings for Monday night’s Home Run Derby. ESPN said that viewership for Cal Raleigh’s Home Run Derby victory was up 5% from 2024, according to Nielsen ratings.

ATLANTA — Mariners catcher Cal Raleigh continued his historic season Monday evening by winning the 2025 Major League Baseball (MLB) Home Run Derby. Raleigh defeated Junior Caminero in the Home Run Derby final after he mashed 18 home runs in the final round. Raleigh became the first catcher and switch-hitter to win the annual derby.

The Seattle Mariners catcher, nicknamed the “Big Dumper,” beat out Tampa Bay Rays third baseman Junior Caminero in Monday night’s Home Run Derby.

Mariners Cal Raleigh claimed the final spot in the first round of the Home Run Derby over Athletics all-star Brent Rooker by an inch. Here is Rooker's reaction.

In the final between Seattle Mariners catcher Cal Raleigh and Tampa Bay Rays third baseman Junior Caminero, the latter slugger hit what appeared to be his sixth homer of the timed portion — until someone with a glove jumped and hauled the ball in. It was unclear in the moment if the ball would have been a homer, but it clearly had potential.

Seattle Mariners catcher Cal Raleigh enters the Derby as the favorite, with his MLB-leading 38 home runs at the All-Star break just one short of Barry Bonds' first-half mark from 2001 – the year he went on to set the single-season home run record.

MLB home run leader and Seattle Mariners All-Star catcher Cal Raleigh leads a stacked field of sluggers in the 2025 MLB Home Run Derby.

Cal Raleigh, the league's home-run leader heading into the All-Star break, headlines the list of competitors in the 2025 Home Run Derby.